Knowledge Arena
Multiple-choice across algorithms, data structures, databases, security and Git. Graded on the server the moment you answer, in an order nobody else sees.
20 questions · 10 minutes
A live competition for software engineers — not a practice site. Real rounds on a real schedule, teams head to head, and a leaderboard the whole room watches move.
Create an account and join the competition.
Start a team, or join one with a six-character code.
Answer under the clock. Scored the instant you submit.
Write real code. Run it. Submit it. Watch it judged.
Read the report, find the fault, make the tests pass.
Weighted across rounds, tie-breaks applied.
Multiple-choice across algorithms, data structures, databases, security and Git. Graded on the server the moment you answer, in an order nobody else sees.
20 questions · 10 minutes
Timed problems in any of eight languages, executed in a sandboxed judge against test cases you never see. Partial credit for partial progress.
3 problems · 45 minutes
A bug report, the failing output, and broken code that compiles. Find the fault and fix it — hidden tests decide whether you actually did.
2 bugs · 30 minutes
Round weights combine into one final score. Ties break on challenges completed, then total time, then who got there first.
A competition is only worth entering if it cannot be gamed. These are not features — they are the reason the leaderboard can be trusted.
Nothing the browser sends is trusted as a score. Every point is computed server-side, and every result can be reconstructed from what was recorded.
Solutions are graded against hidden test cases. Reading the samples is not enough — the answer cannot be hard-coded.
Submitted code runs sandboxed, with CPU, memory and process limits, and no network access at all.
Create an account, form a team, and see how far you get.
Create an accountSoftware Engineering Face-Off · An Akwannya Hub program